Cobb Turbo Heatshield Subaru WRX 2002-2007 / STI 2004-2021 / Forester XT 2004-2008 | 512510 Wheel Bolt Pattern_5x115 79 mm Stroke BC 4340

79 mm Stroke BC 4340 Billet Steel Crankshaft

that's great

Brian Crower valves for the Evolution X are available in both a standard and oversize head

The design has also been altered to make this BOV connect directly to the WRX or STi's stock recirculation fitting allowing you to get the performance from this BOV without being forced to vent to atmosphere

Cobb Turbo Heatshield Subaru WRX 2002-2007 / STI 2004-2021 / Forester XT 2004-2008 | 512510 Wheel Bolt Pattern_5x115 79 mm Stroke BC 4340Fitment Information: 2002 2007 Subaru WRX 2004 2021 Subaru STI 2004 2008 Subaru Forester XT Note: Designed for stock or stock fitment turbo applications. A turbocharger heat shield acts as a barrier for radiant heat produced by the turbocharger's turbine housing. Deflecting this heat down protects key components in the engine bay which rely upon cooler ambient temperatures. Features: 304 Stainless Steel Laser Cut & Etched with Extended Length Edge